You probably already understand these ideas in their singular senses: ETF, portfolio and indexing. But what is ETF portfolio indexing, all strung together? Easy enough. It’s a portfolio of index-tracking ETFs. But let’s break it down step-by-step, including how and why each component matters.
1. What is an ETF? The acronym ETF stands for “exchange-traded fund.” They started out as a way to buy a benchmark. Before ETFs, if you wanted to own the S&P 500, the costs of buying and holding all 500 stocks was overwhelming...............................................Full Article: Source